Full-Stack AI Developer | LLM, RAG, OpenAI, Python, Next.js. I build production-ready AI applications, SaaS platforms, and intelligent automation systems that help businesses reduce manual work, improve customer experience, and turn ideas into scalable products. I specialize in: 🤖 AI & LLM Applications • OpenAI API integrations • AI chatbots and AI assistants • LLM-powered SaaS products • Retrieval-Augmented Generation (RAG) systems • AI agents and workflow automation • Knowledge base search systems ⚡ Full-Stack Product Development • Python (FastAPI, Django) • Next.js, React, TypeScript • REST APIs and backend architecture • PostgreSQL, Supabase, Firebase • Cloud deployment and scalable applications 💼 I can help you build: ✓ AI MVPs from idea to launch ✓ Custom ChatGPT-like applications ✓ Document Q&A / RAG systems ✓ AI automation tools ✓ Internal business AI assistants ✓ SaaS platforms with AI features Why clients choose me: ✅ Strong focus on business outcomes, not just code ✅ Clean, scalable, maintainable architecture ✅ Experience connecting AI models with real-world applications ✅ Fast communication and reliable delivery If you are looking for a developer who can take an AI product from concept to a working application, I’d love to help. Let’s build something impactful.…

Vitali Ilykkhun

5.0 (1 review)

Full-Stack AI Developer | LLM, RAG, OpenAI, Python, Next.js. I build production-ready AI applications, SaaS platforms, and intelligent automation systems that help businesses reduce manual work, improve customer experience, and turn ideas into scalable products. I specialize in: 🤖 AI & LLM Applications • OpenAI API integrations • AI chatbots and AI assistants • LLM-powered SaaS products • Retrieval-Augmented Generation (RAG) systems • AI agents and workflow automation • Knowledge base search systems ⚡ Full-Stack Product Development • Python (FastAPI, Django) • Next.js, React, TypeScript • REST APIs and backend architecture • PostgreSQL, Supabase, Firebase • Cloud deployment and scalable applications 💼 I can help you build: ✓ AI MVPs from idea to launch ✓ Custom ChatGPT-like applications ✓ Document Q&A / RAG systems ✓ AI automation tools ✓ Internal business AI assistants ✓ SaaS platforms with AI features Why clients choose me: ✅ Strong focus on business outcomes, not just code ✅ Clean, scalable, maintainable architecture ✅ Experience connecting AI models with real-world applications ✅ Fast communication and reliable delivery If you are looking for a developer who can take an AI product from concept to a working application, I’d love to help. Let’s build something impactful.…

Available to hire

Full-Stack AI Developer | LLM, RAG, OpenAI, Python, Next.js.

I build production-ready AI applications, SaaS platforms, and intelligent automation systems that help businesses reduce manual work, improve customer experience, and turn ideas into scalable products.

I specialize in:

🤖 AI & LLM Applications
• OpenAI API integrations
• AI chatbots and AI assistants
• LLM-powered SaaS products
• Retrieval-Augmented Generation (RAG) systems
• AI agents and workflow automation
• Knowledge base search systems

âš¡ Full-Stack Product Development
• Python (FastAPI, Django)
• Next.js, React, TypeScript
• REST APIs and backend architecture
• PostgreSQL, Supabase, Firebase
• Cloud deployment and scalable applications

💼 I can help you build:
✓ AI MVPs from idea to launch
✓ Custom ChatGPT-like applications
✓ Document Q&A / RAG systems
✓ AI automation tools
✓ Internal business AI assistants
✓ SaaS platforms with AI features

Why clients choose me:
✅ Strong focus on business outcomes, not just code
✅ Clean, scalable, maintainable architecture
✅ Experience connecting AI models with real-world applications
✅ Fast communication and reliable delivery

If you are looking for a developer who can take an AI product from concept to a working application, I’d love to help.

Let’s build something impactful.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent
Czech
Fluent
Italian
Beginner
German
Beginner
French
Beginner
Spanish; Castilian
Beginner
Portuguese
Beginner

Work Experience

AI-Powered SaaS Platform at Freelance / Remote
August 14, 2024 - Present
- Built a full-stack AI-powered SaaS platform using Next.js and Python, delivering scalable solutions across frontend dashboards, backend APIs, automation pipelines, and third-party integrations. - Designed secure authentication and authorization systems with JWT-based login, role-based access control (RBAC), and session management. - Developed responsive SaaS dashboards with intuitive UX flows for user management, data operations, and automated workflow management. - Integrated Stripe subscription billing with pricing plans, checkout workflows, and webhook-driven payment event processing. - Implemented asynchronous processing and background job systems to support automation workflows and resource-intensive operations. - Designed scalable PostgreSQL database architectures with optimized data models for performance, reliability, and future growth. - Integrated external services including email providers, payment platforms, and APIs to create a fully automated SaaS ecosystem.
Full-Stack Developer at Freelance / Remote
April 30, 2013 - Present
- Delivered end-to-end full-stack web applications using modern technologies including Next.js, React, TypeScript, FastAPI, NestJS, Flask, Django, and PostgreSQL, focusing on scalable and maintainable software architecture. - Designed and developed high-performance frontend interfaces with React, Next.js, Tailwind CSS, and Material UI, creating responsive and user-friendly experiences across desktop and mobile platforms. - Built robust backend systems, RESTful APIs, database solutions, and third-party integrations to support complex business requirements. - Developed real-time application features using WebSockets, including live communication systems, instant notifications, dashboards, and real-time data tracking. - Managed complete software development lifecycles, including architecture planning, implementation, testing, deployment, and ongoing optimization. - Applied clean code principles, design patterns, security best practices, and performance optimization techniques to deliver reliable solutions for international clients. Collaborated remotely with startups, businesses, and development teams to transform ideas into production-ready digital products.

Education

Bacheleer of Science at Czech Technical University in Prague (CTU)
April 1, 2002 - September 30, 2006

Qualifications

Bacheleer of Science
April 1, 2002 - September 30, 2006

Industry Experience

Software & Internet, Computers & Electronics, Professional Services
    Automated MT5 Platform for Forex Trading

    A full-stack automated Forex trading platform built around MetaTrader 5, featuring algorithmic trading workflows, risk management controls, execution pipelines, and a real-time operations dashboard.

    Overview

    Designed for automated trading operations, this platform provides a complete trading lifecycle from market data ingestion and strategy signals to risk validation, trade execution, and performance monitoring.
    The system supports simulation, demo trading, and live-readiness workflows while maintaining a strong focus on reliability, observability, and secure operations.

    Core Capabilities

    • MetaTrader 5 integration with mock and live market data support
    • Automated trading bot execution pipeline
    • Pluggable strategy architecture:
      • Signal generation
      • Risk evaluation
      • Trade execution
    • Real-time trade and bot event tracking
    • PostgreSQL-based persistence layer
    • REST and WebSocket APIs for live communication
    • Operations dashboard for monitoring and manual controls

    Features

    Automated Trading Engine

    • Event-driven trading workflow
    • Modular strategy integration
    • Supports simulation, demo, and live-ready execution modes
    • Tracks bot states, signals, executions, and outcomes

    Risk Management System

    Built-in controls to protect trading operations:

    • Stop-loss enforcement
    • Drawdown monitoring and automatic trading halt
    • Risk-based execution validation
    • Configurable trading limits

    Backtesting & Replay

    • Historical strategy evaluation
    • Market replay capabilities
    • Performance analysis tools
    • Trading metrics visualization

    Operations Dashboard

    Real-time monitoring interface providing:

    • Live bot status
    • Trade history
    • Execution events
    • Performance metrics
    • Backtest results
    • Manual operational controls

    Technical Stack

    Backend

    • Python
    • FastAPI
    • PostgreSQL
    • MetaTrader 5 integration

    Frontend

    • Next.js 15
    • React 19
    • TypeScript
    • Recharts

    Infrastructure & DevOps

    • Docker Compose
    • pytest
    • GitHub Actions CI

    Impact

    This platform automates the operational side of Forex trading by combining algorithmic execution, risk management, and real-time monitoring.
    Strategy performance and live market validation remain the key factors in determining trading outcomes.

    Bookmaker Odds Aggregator — Live & Prematch Parsing (5 Bookmakers)
    • Built a production-style odds aggregation platform integrating major bookmakers including Fonbet, Betcity, Liga Stavok, 1xBet, and Bet365 through custom HTTP, WebSocket, and browser automation adapters.
    • Developed bookmaker polling systems to collect live and prematch betting data, process snapshots and delta updates, and persist normalized odds data into PostgreSQL.
    • Designed a shared adapter architecture with unified market, event, and bookmaker status handling across multiple providers, supporting live, pre-match, blocked, and unblocked states.
    • Implemented event lifecycle management including match completion detection, soft-finish handling, suspended odds retention, and automated cleanup of expired betting lines.
    • Improved polling reliability through SSL/transient failure recovery, retry mechanisms, health monitoring, snapshot resets, and fixed-interval polling cycles.
    • Built a Next.js review dashboard for analyzing live matches, prematch events, scores, and market odds across multiple bookmakers.
    • Designed operational tooling including environment-based configuration, retention policies, pruning workflows, monitoring, and automated test coverage.
    • Defined phase-one market support and acceptance criteria covering core betting markets such as 1X2, - Double Chance, Handicap, Totals, and Both Teams To Score (BTTS).
    AI-Assisted Project & Task Management Platform

    A full-stack AI-powered project and task management platform designed to streamline collaboration between Clients, Managers, Developers, and Testers. The platform provides role-based workflows, project tracking, team coordination, and intelligent AI assistance throughout the software delivery lifecycle.

    Overview

    Built as an end-to-end monorepo application, this platform enables clients to create and manage projects, invite development teams, track daily progress, review feedback, and monitor delivery through a structured workflow.

    The system supports multiple user roles with tailored permissions:

    • Clients — create projects, manage members, assign tasks, and monitor progress
    • Managers — oversee users, roles, projects, and system-wide activity
    • Developers — manage assigned tasks, submit progress updates, and respond to feedback
    • Testers — validate work, provide feedback, and track testing activities

    Core Features

    • JWT-based role authentication and authorization
    • Client registration and email-based invitations for Developers and Testers
    • Project creation and member management
    • Structured task workflow:
      • Todo
      • In Progress
      • Report
      • Completed
    • Drag-and-drop Kanban task management
    • Task progress dialogs and status tracking
    • Feedback management with attachments
    • Daily grouped task activity logs
    • Email notifications and background job processing
    • Manager administration dashboard
    • Audit logging and soft-delete support

    AI-Powered Capabilities

    Integrated LLM-backed assistant features to improve productivity and communication:

    • Smart Task Drafting

      • Generate clear task titles
      • Create detailed descriptions
      • Generate acceptance criteria from short prompts
    • Priority & Effort Recommendations

      • Suggest task priority
      • Estimate effort based on task content and project history
    • Status & Assignment Assistance

      • Recommend next workflow status
      • Suggest suitable assignees based on workload, role, and context
    • Daily Standup Summaries

      • Automatically summarize:
        • Todo tasks
        • In Progress work
        • Report updates
        • Completed tasks
    • Feedback Rewrite

      • Convert rough notes into clear, actionable feedback for Developers and Testers

    Technical Stack

    Frontend

    • Next.js (App Router)
    • TypeScript
    • Tailwind CSS
    • React Query
    • dnd-kit

    Backend

    • NestJS
    • Prisma ORM
    • PostgreSQL

    AI Layer

    • LLM-backed assist endpoints
    • Structured prompt-to-output generation
    • AI-generated task, feedback, and summary workflows

    Impact

    This platform combines project management workflows with AI automation to reduce manual planning, improve communication quality, and help teams deliver software projects more efficiently